EP 1625101 B1 20090415 - METHOD FOR THE PRODUCTION OF NEAR NET-SHAPED METALLIC AND/OR CERAMIC PARTS
Title (en)
METHOD FOR THE PRODUCTION OF NEAR NET-SHAPED METALLIC AND/OR CERAMIC PARTS
Title (de)
VERFAHREN ZUR HERSTELLUNG ENDKONTURNAHER, METALLISCHER UND/ODER KERAMISCHER BAUTEILE
Title (fr)
PROCEDE DE REALISATION DE COMPOSANTS METALLIQUES ET/OU CERAMIQUES PRES DE LA COTE SOUHAITEE
Publication
Application
Priority
- DE 0303113 W 20030919
- DE 10248888 A 20021018
Abstract (en)
[origin: WO2004039748A1] Disclosed is a modified powder injection molding method which is advantageously used for producing highly porous, near net-shaped parts having complex geometries from initial metallic and/or ceramic powders. The placeholders that are used are non-toxic and can be quickly and almost entirely removed from the parts. Said placeholders make it possible to specifically adjust the pore sizes of the parts within a range of 20 ñm to 2 mm and the porosities thereof within a range of 10 to 85 percent by volume, the distribution of pores being very homogeneous. The duration of the entire process is determined to a considerable degree by the removal of the binder and the placeholders. The total time required from the step of preliminary surface-active binder removal is no more than 14 to 20 hours, even if preliminary thermal binder removal is added (for metal powders and ceramic powders < 20 ñm). Said total time includes removing the placeholder, removing the remaining binder, and sintering as well as heating, cooling, and holding times. The inventive method is therefore inexpensive and can be carried out with moderate effort.
IPC 8 full level
C04B 38/04 (2006.01); B22F 3/10 (2006.01); B22F 3/11 (2006.01); B22F 3/22 (2006.01)
CPC (source: EP US)
B22F 3/1025 (2013.01 - EP US); B22F 3/1134 (2013.01 - EP US); B22F 3/225 (2013.01 - EP US); C04B 38/04 (2013.01 - EP US); B22F 2998/00 (2013.01 - EP US); B22F 2998/10 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004039748 A1 20040513; AT E428674 T1 20090515; AU 2003271541 A1 20040525; AU 2003271541 B2 20090423; CA 2502192 A1 20040513; CA 2502192 C 20110712; DE 10248888 A1 20040506; DE 10248888 B4 20050127; DE 50311434 D1 20090528; DK 1625101 T3 20090629; EP 1625101 A1 20060215; EP 1625101 B1 20090415; ES 2324936 T3 20090820; JP 2006503188 A 20060126; PT 1625101 E 20090706; US 2006239851 A1 20061026; US 7351371 B2 20080401
DOCDB simple family (application)
DE 0303113 W 20030919; AT 03753315 T 20030919; AU 2003271541 A 20030919; CA 2502192 A 20030919; DE 10248888 A 20021018; DE 50311434 T 20030919; DK 03753315 T 20030919; EP 03753315 A 20030919; ES 03753315 T 20030919; JP 2004547385 A 20030919; PT 03753315 T 20030919; US 53188703 A 20030919